You can use the RemoteControl 2 API to create tokens and send invitations.We are sending post stay thank you email directly from our system but tokens need to send invitation thru lime survey system.
- manual.limesurvey.org/RemoteControl_2_API
- api.limesurvey.org/classes/remotecontrol...hod_add_participants
- api.limesurvey.org/classes/remotecontrol..._invite_participants